Browsing ICPT - 2021 by Author "Wimalasena, K"

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Development of design guidelines for composite-geogrid reinforced unpaved pavements

Jayalath, CPG; Gallage, C; Wimalasena, K [Conference-Full-text]

It is well-known that the inclusion of composite geogrids (CGGs) into the pavement structure assists to maximise the benefits of geosynthetic-reinforcement in flexible pavements. However, the use of CGGs in practice is ...
Monotonic loading test to investigate the benefits of composite geogrids for subgrade improvement

Wimalasena, K; Gallage, C; Jayalath, C; Churchill, J [Conference-Full-text]

The presence of weak subgrades is one of the greatest challenges in constructing road pavements. Conventionally, techniques such as refiling with suitable material and soil stabilisation are considered to improve subgrade ...
Predicting california bearing ratio (cbr) value of a selected subgrade material

Wimalasena, K; Gallage, C [Conference-Full-text]

The subgrade bearing capacity is an important parameter in flexible pavement design, and it is largely influenced by the variation of subgrade moisture. California Bearing Ratio (CBR) is the most popular method of assessing ...

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